A node in our cluster never recovers from the bad state

The node instance-0000000030 in cluster f58ab87 was down on 6/19 afternoon but until 6/20 13:00 p.m., it had not recovered since then. I am wondering if that caused one of the nodes having high CPU load (>90%) for over 6 hours and did not seem like going down at all.

Please see https://discuss.elastic.co/t/now-live-new-elastic-cloud-standard-support/84161 on how to request support for Elastic Cloud